S31.8 – Open wound of other parts of abdomen, lower back and pelvis
ICD-10-CM 2027 diagnosis code · Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
- Code
S31.8(claims format:S318)- Description
- Open wound of other parts of abdomen, lower back and pelvis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
- Parent codes
- S31
Billable codes under S31.8
S31.8 is a header code and cannot be used on claims. Choose the most specific code:
- S31.80 – Open wound of unspecified buttockHeader (more codes below)
- S31.81 – Open wound of right buttockHeader (more codes below)
- S31.82 – Open wound of left buttockHeader (more codes below)
- S31.83 – Open wound of anusHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
S31 – Open wound of abdomen, lower back, pelvis and external genitals
- The appropriate 7th character is to be added to each code from category S31
Block S30-S39
- injuries to the abdominal wall
- injuries to the anus
- injuries to the buttock
- injuries to the external genitalia
- injuries to the flank
- injuries to the groin
Related codes in S31
- S31.0 – Open wound of lower back and pelvisHeader
- S31.1 – Open wound of abdominal wall without penetration into peritoneal cavityHeader
- S31.2 – Open wound of penisHeader
- S31.3 – Open wound of scrotum and testesHeader
- S31.4 – Open wound of vagina and vulvaHeader
- S31.5 – Open wound of unspecified external genital organsHeader
- S31.6 – Open wound of abdominal wall with penetration into peritoneal cavityHeader
Frequently asked questions
What is ICD-10 code S31.8?
S31.8 is the ICD-10-CM code for open wound of other parts of abdomen, lower back and pelvis, in the block S30-S39 (Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals).
Is S31.8 a billable code?
No. S31.8 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S31.8 belong to?
It belongs to category S31 – Open wound of abdomen, lower back, pelvis and external genitals.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.